SB2026070214 - Authorization bypass through user-controlled key in Kibana

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Main Vulnerability Database SB2026070214

SB2026070214 - Authorization bypass through user-controlled key in Kibana

Published: July 2, 2026

Security Bulletin ID SB2026070214
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Authorization bypass through user-controlled key (CVE-ID: CVE-2026-49089)

CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to modify unauthorized data.

The vulnerability exists due to authorization bypass through user-controlled key in AI Assistant conversation access controls when handling requests that reference conversation identifiers. A remote user can supply another user's AI Assistant conversation identifier to modify a conversation they do not own to modify unauthorized data.

Exploitation requires knowledge of a hard-to-guess conversation identifier and access to the AI Assistant feature.


Remediation

Install update from vendor's website.

References